Going to work? Traveling and need a portable essential oil diffuser for the car? Working at home or the office? Do you need an essential oil diffuser to use at all places? You have come to the right site for the best cordless essential oil diffusers that can work in your car, SUV, RV, boat, truck, semi, and more places. Take it with you in your satchel or luggage because being cordless, it is easy to take along.

Attaching USB Cables

The USB cable will attach to your computer or laptop ports and other devices using ports. Put in your vehicle using the lighter plug-in running off the vehicle’s direct current (D/C) battery. You can put your diffuser on your desk top, bedroom night stand, living room table, mantel, or anywhere you want the pure essence of essential oils. Simply add your 100% pure essential oils to the water in an ultrasonic diffuser and only 100% pure essential oils with no water in a nebulizer diffuser. Plug it in, and turn the switch on and set the timer and LED lights to the way you like your experience best.

Many times, driving around the city locally, we don’t want to breathe the outdoor air because it’s so polluted. Put a diffuser in your car for your road trips and adventures, crank up the radio, and enjoy the ride with a wonderful aroma.

The essential oils will rid your vehicle of doggy odors and tobacco smoke if someone still smokes these days. If you have old food wrappers in the car, the diffuser will remove those odors as well. The units will remove the same odors from your home or other environment.

What to Consider Buying a Diffuser

Do not waste your money buying an inferior essential oil diffuser. Think about features you want and like most to benefit you and your surroundings. I’ve listed some things for you to be concerned about for the price you pay and the functions of the unit.

Water Capacity—is important for an ultrasonic diffuser since they use water with oils added. If you want your diffuser to hold more water, buy a larger milliliter (mL) unit also showing ounces below. For instance, a 100 mL diffuser will hold 3.38-ounces of water. The more water it holds, the more hours it will run.

Water Type—if you want the best water to use with no clogging of the diffuser or its parts, do not use city tap water that is dissolved rock in ground water that leaves spots on dishes, scale on glass shower doors, with blue/green lime and iron gunk around faucets. Buy yourself a jug of distilled or purified water at about $1 per gallon for the best results. City tap water will put fine white mineral dust on your furniture as well.

Square-Footage—is for knowing the amount of space the mist will cover. If you have a 10- x 12-foot room that is 120-square feet. Take the width and length of your space and multiply to get square feet. This will tell you if it will mist for your room size.

Timer—is good to have as a feature to run for the hours you want it to. Each diffuser tells the hours it can be set for. There are many options: 1-, 3-, 6-hours, continuously, or different configurations for the hours by the diffuser manufacturer.

Automatic Shut Off—is a benefit so that when the diffuser is out of water or oils it will shut down automatically for safety. Most units today have this feature to shut off when the water or oils are low. This gives you peace of mind if you use it when sleeping.

Whisper-Quiet—units are now available where the fan is so quiet you will not know the diffuser is running.

LED Lights—almost all diffusers, especially the ultrasonic ones, have lights that cascade over the entire unit. The lights can be dim or bright, cascade through all the colors, usually 7, set to a favorite color, and can be completely turned off. Some diffusers illuminate only around the middle or at the switch buttons. Check out what you want and select the best here.

Portable Essential Oil Diffusers for Vehicles—use the same features as listed above. Some have both A/C cords and USB cables to run off the vehicle’s battery. The USB can also be plugged into any device with a USB port.

I am an advocate for aromatherapy and have many units. Here I am listing the best portable oil diffusers and rechargeable essential diffuser reviews for your awareness to choose from. I’m sure you will be pleased with the selections to have it your way.

Remember that ultrasonic diffusers use water with essential oils added to the water and nebulizers do not use water using only essential oils.

All ultrasonic units are 5-in-1 diffusers because they do use water.

Diffuser

Small humidifier

Air purifier using essential oils

Night light

Ionizer using water that is a law of nature

Nebulizers are a diffuser, a night light if they have lights, and an air purifier.

Best Essential Oil Diffusers for Your Car and Vehicles

All ultrasonic diffusers listed here use water while the nebulizers do not use water.

1.NexGadget Ultrasonic Mini USB Car Diffuser, 50 mL

The NexGadget cool-mist diffuser, ASIN B01MCVM5IM on Amazon.com®, is a light wood faux wood grain to harmonize with any décor and your vehicle too. The other 2 choices in colors are almost black and dark wood grain. Use in your car, SUV, RV, trucks, and any vehicle where you have a battery to run it. It can also be used in the home or office because it’s portable to take with you to use anywhere you want a heady aroma with therapeutic benefits as well. For your car or other vehicles, just place it in your cup holder using this superb battery operated essential oil diffuser.

Being small, it holds 50 mL (1.70-ounces) of water filled to the Max line only. Add 5 to 10 drops of your favorite essential oil or blends (not included). Plug into your vehicle or any device that has a USB port such as your computer, laptop, or tablet. You can plug the adapter into the wall outlet as well. It will cover an area of 107- to 215-square feet. The unit will run from 2- to 4-hours then shut off automatically. This unit does not have timer settings.

Set the 7 LED lights to change colors, set to one color, or turn off totally. You can also set the lights to be dim or bright. The sturdy plastic is made of ABS (Acrylonitrile Butadiene Styrene), PP (Polypropylene), and PC (Polycarbonate). It is BPA (Bisphenol A)-free.

The dimensions are 2.67-inches in diameter x 5.51-inches tall and weighs about 7-ounces.

Plug the UL® listed 5.50-foot cord into a 110/120-Volt, 50/60-Hz outlet in the USA, Canada, and Mexico. Other countries will need to buy a 220/240-Volt adapter to use the unit. The output power is a low 5-Watts and 3 MHz ultrasonic frequency. It does not use batteries; it is electric only.

Gift-wrapping is available for the upcoming holidays and special occasions for someone you love. You will receive the diffuser, USB cord, A/C power adapter, User’s Manual with a 45-day money-back Guarantee and a 12-month Warranty. It is made in China.

2.InnoGear® Ultrasonic USB Car Essential Oil Diffuser, 50 mL

The InnoGear® diffuser, item model number UD50 on Amazon.com® is a reputable brand that you can count on. It comes in a black or white base and I like the white best in my car. Use it when traveling, in vehicles, at your home or office. It fits your cup holder without a problem. It comes with a USB cable but no A/C adapter.

With the 2 mist modes and convenient to use switch buttons, you can run it continuously or intermittently. The on/off button is on the top. The sturdy plastic is made of ABS (Acrylonitrile Butadiene Styrene), PP (Polypropylene) and is BPA (Bisphenol A)-free.

Simply fill the reservoir with 50 mL (1.70-ounces) of water to the Max line adding 5 to 10 drops of essential oils (not included). It shuts off automatically when the water level is low. With the 7 LED lights that illuminate the front of the unit, you can watch all the colors rotate and change, set to one color, or turn the light off completely.

The timer lets you set it to continuously mist, set for 3-hours with an intermittent mist, or set for 6-hours running time. Enjoy the fresh fragrance in your car, your home, or office. Plug the 44-inch USB cord into any device with a compatible port.

When using in the car, use 5-Volt 1-Amp USB adapter. If using with your laptop or other USB-supported devices, use with a USB 3.0 port. Any phone charger with a USB end has the adaptor you need for the cigarette lighter insert. The top lid fits snuggly, but does not screw down.

The dimensions are 3.14-inches wide by 4.72-inches tall and fits into the cup holder, luggage, or on top of furniture. It has a water conducting wick inside.

Gift-wrapping is available for the upcoming holidays and special occasions for someone you love. You will receive the diffuser, USB cord, User’s Manual with a 45-day money-back Guarantee and an 18-month Warranty. It is made in China.

3.InnoGear® Ultrasonic USB Car Essential Oil Diffuser, 70 mL

The InnoGear® diffuser, item model number AD 070 on Amazon.com® is a dependable brand that you can count on. Use in your car, other vehicles, at home, at the office, and take it with you traveling. It holds 70 mL (2.4-ounces) of water to which you add 5 to 10 drops of essential oils (not included). It is BPA (Bisphenol A)-free. It covers about 300-square feet of space.

The unit will shut off automatically when it is low on water. Turn the 7 LED lights on or turn them off. It uses no filters and is whisper-quiet. It is powered using a USB cable and the adapter is not included. When using in the car, use 5-Volt 1-Amp USB adapter. If using with your laptop or other USB-supported devices, use with a USB 3.0 port. Any phone charger with a USB end has the adaptor you need for the cigarette lighter insert.

It will run 6-hours of use on the 30-seconds on and 30-seconds off setting, and about 3-hours on the continuous setting.

The dimensions are 5.10-inches tall x 2.70-inches across.

Gift-wrapping is available for the upcoming holidays and special occasions for someone you love. You will receive the diffuser, USB cord, User’s Manual with a 45-day money-back Guarantee and a 12-month Warranty. It is made in China.

The ZAQ™ Tour, ASIN B017J184LY on Amazon.com®, fits your vehicle’s cup holder to convert your vehicle into a lovely smelling ride. Or you can put it in your home, office, or anyplace you want aromatherapy. It is available in black and white or with an olive, black, or purple band. It is soft and round and good to take with you traveling operating for 2- to 4-hours or over 5-hours in the intermittent mode, then shutting off automatically.

Just put 60 mL (2.02-ounces) of water up to the Max line, add a few drops of essential oil (not included) and enjoy.

Put in in your office, kitchen, bathroom or anywhere you want the tranquil fragrance of 100% pure essential oils. The distinctive design prevents tipping while your vehicle is in motion and the car adapter, included in the box, ensures you can always use it on the go. The top locks shut for no spills around the threads, but it will leak through the top where the mist comes out, so don’t brake too hard.

The ZAQ™ Tour is BPA (Bisphenol A)-free made of safe health-friendly materials.

Pug the 2-foot UL® listed cord into a USA 110/120-Volt, 50/60 Hz, with 12-Watts power in the wall outlet. For those outside the USA, Canada, or Mexico, you will have to buy a 220/240-Volt adapter to run the unit. It does not use batteries. The 12-Volt D/C adapter is included for your vehicle to plug into the cigarette lighter port. It does not come with a USB cord. It includes a car charger, and home adapter.

Gift-wrapping is available to surprise someone with, your family, friends, and loved ones. You will receive the diffuser, a User’s Manual, and a 1-year Limited Warranty. The diffuser is made in China.

ZAQ™ Tour Essential Oil LiteMist video.

5.BEINUO Portable Nebulizer Essential Oil Diffuser, No Water mL

The BEINUO, Item model number HH on Amazon.com® is a stunning aluminum finish nebulizer diffuser meaning it uses no water and only essential oils (not included). It comes with a USB cable and is rechargeable. Use it in your car or other vehicles, home, or the office.

The diffuser cannot be used while it’s recharging the 2 lithium-ion batteries built in. When you use it, add 10 to 20 drops of oil into the clear plastic container inside the unit to the Max line; never add water because this is not an ultrasonic diffuser. The bowl is made of fluorelastomer, a synthetic rubber.

It has 1 button for functioning and runs continuously for 2-hours shutting off when the oil is gone, or the charge is gone. The charging time is 6- to 8-hours.

There are no LED lights or timers on this unit. The light on top at the on button shows blue and then blinks red when the unit is charging. It also blinks red when the battery needs to be recharged. It will work with any USB port and A/C adapters.

Pug a UL® listed adapter cord that is not included, and you buy, into a USA 110/120-Volt, 50/60 Hz, in the wall outlet. For those outside the USA, Canada, or Mexico, you will have to buy a 220/240-Volt adapter to run the unit. It uses 2 each 4000 mAh lithium ion batteries. The frequency is 3 MHz. The 12-Volt D/C adapter is included for your vehicle to plug into the cigarette lighter port. The USB cord is 3.3-feet long. It uses 3-Watts of power output.

Gift-wrapping is available to surprise someone with, your family, friends, and loved ones. You will receive the diffuser, USB charging cable, a User’s Manual, and a 1-year Limited Warranty. The diffuser is made in China.

6.MFEEL Portable Ultrasonic Essential Oil Diffuser, 50 mL

The MFEEL model number BC20 shown on Amazon.com® is an ultrasonic diffuser using 50 mL (1.70-ounces) of water. All diffusers emit a cool-mist because they use no heating element to destroy the essential oils. This unit comes with a USB car charger, to use with your cell phone, or other USB port devices. It is white with black accents and small. It does not come with a 110/120-Volt adapter for plugging into a wall outlet. It does come with a car charger to plug into the cigarette lighter outlet. This is a great USB essential oil diffuser.

The diffuser is compatible with 1-Amp and 2.10-Amp USB fast charging car chargers to be used with an iPhone®, Smartphone®, iPad®, and other mobile devices with USB ports.

Fill the reservoir with water to the Max line and add a few drops of essential oil (not included). The misting amount is 20 to 30 mL each hour. The unit shuts off automatically after it runs about an hour. Just fill with more water and oil and start it again.

Be comfortable and refreshed while driving any vehicle. It will sit on your furniture tops and can be used it your office due to its small size and portability. Take with you traveling and put in your hotel room too.

The MFEEL diffuser is great to use in the baby’s nursery, teenagers room, your bedroom, kitchen, bathroom and at professional settings such as Yoga and Pilates, massage and physical therapist studios, doctor, chiropractor offices, and business lobbies.

Purify the air you breathe with your finest 100% pure essential oils with therapeutics benefits as well. It has no LED lights. It covers about 200-square feet.

Be sure to always unplug the unit when filling with water to avoid electric shock.

The voltage is 12- to 24-Volts; limited 9- to 26-Volts. The output power is 0.9- to 1.20-Watts. The frequency is 110 KHz. The 12-Volt D/C adapter is included for your vehicle to plug into the cigarette lighter port. The USB output is 5-Volts, 2.10-Amps plus 5-Volt, 1.0-Amps. The working current is 150 to 180 mA.

Gift-wrapping is available to surprise someone with, your family, friends, and loved ones. You will receive the diffuser, charging cable, USB cable, a User’s Manual, and a 30-day money-back Guarantee if you are dissatisfied with a 180-day Warranty for replacement if defective. The diffuser is made in China.

7.GREEVOO Portable Ultrasonic Essential Oil Diffuser, 70 mL

The GREEVOO uses water, and is not waterless as shown on Amazon.com®, item model number EDR6002. The colors are black, blue, or white to harmonize with your décor whether at home or the office. Use the USB cord when traveling and attach to any of your USB port devices. It comes with a USB socket for your car.

The unit runs 6-hours on the high-mist setting and 8-hours on the low-mist mode. You can run it continuously or set it for on and off at 30-second pauses. It is BPA (Bisphenol A)-free and is lovely with its diamond design pattern. The sturdy plastic is made of ABS (Acrylonitrile Butadiene Styrene) and PP (Polypropylene). The diffuser’s fan is whisper-quiet so not to disturb you or children at 30 dB. It will shut off automatically after the water is low for your peace of mind when sleeping or busy.

You will enjoy the 7 colors of the LED lights around the middle towards the bottom. The colors will flow through all the colors, set at your favorite color, or turn the lights off.

Add 70 mL (2.40-ounces) of water into the bottom reservoir to the Max line. Do not get water into the misting hole on the side bottom. Add 5 to 10 drops of essential oil (not included), plug in and turn on. The power output is 5-Watts and it runs on 5-Volts, 1-Amp D/C current.

The dimensions are 5.70-inches tall x 4.50-inches across the widest part at the base. Be sure a 4 and a half-inch bottom will fit your vehicle’s cup holder. It weighs 4.50-ounces. The misting output is 15 mL each hour. Use only the cord provided.

Gift-wrapping is available to surprise someone with, your family, friends, and loved ones. You will receive the diffuser, USB cord, and a User’s Manual. The diffuser is made in China.

The AromaAllure Aroma Pot is a unique looking diffuser appearing as a Ball® jar with bail wires and clamp and glass dome and glass jar. It’s rather cool to look at. The inside reservoir and parts are made of polypropylene (PP) plastic and it’s BPA-free. The item model number GH2136-B on Amazon.com® sells well and it is a nice unit for the kitchen at an affordable price. It would be a great gift idea for the holidays coming up. It will hold 80 mL (2.70-ounces) of water. It will cover 200-square feet of space at 2.40 MHz ultrasonic frequency.

The 7 different LED light colors can be set to cascade through all of the colors, set at your favorite color, or turn off. It is powered by a USB cable for devices with USB ports and an A/C wall plug adapter. The diffuser shuts off automatically when it runs low on water.

Fill the reservoir to the Max line, add 5 to 10 drops of your essential oils (not included) and set it the way you like best. Enjoy a spa-like experience in your own bathroom, or use it for meditation and when your kids don’t feel well.

Set the timer for 8-hours in the intermittent mode or 4-hours using the continuous setting using either cord.

The dimensions are shown in the illustration below. Be sure the 3.10-inch bottom base fits into your vehicle’s cupholder if you want to use it there.

What I do to remove labels from glass is lighter fluid and a single-edge razor blade. The fluid melts the thick glue, and the razor blade slides all the paper and gunk off. Then wash it by hand on the outside.

Pug the UL® listed cord into a USA 110/120-Volt, 50/60 Hz in the wall outlet. For those outside the USA, Canada, or Mexico, you will have to buy a 220/240-Volt adapter to run the unit or plug into your car or device using the USB cord.

Gift-wrapping is available to surprise someone with, your family, friends, and loved ones. You will receive the diffuser, USB cord, A/C adapter, and a User’s Manual. You will receive a full money-back Guarantee if you are not satisfied. The diffuser is made in China.

Final Thoughts

The diffusers listed above can be used in vehicles. Be sure the base measurement will fit your cupholder. You don’t want to put it on the floor because it can tip over spilling out the contents when you turn corners or brake hard. Check out customer reviews and comments on Amazon to see what they say about their experience with any of these diffusers. Be well, and happy shopping!

Brenda

Welcome to my blog! I am Brenda Star and I am a true believer that Nature is fascinating and enchanting. The history of herbs and their uses are captivating. I have always wondered how did the ancient people know—how did they come to understand what a plant would do. They did not experiment in a lab because those technologies did not exist. That wisdom will always be a mystery to me. More about me...